Liang; Zhi-Zhong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liang; Zhi-Zhong.The latest application filed is for "stabilization of incompatible materials by macromolecules".
- Liang; Zhi-Zhong - Richmond Hill CA
- Liang; Zhi-zhong - Scarborough CA
- Liang; Zhi-zhong - Toronto CA
| Patent | Date |
|---|---|
| Lignin based colloidal compositions Grant 6,737,443 - Liang May 18, 2 | 2004-05-18 |
| Modified bituminous composition for roof membranes Grant 6,579,921 - Liang , et al. June 17, 2 | 2003-06-17 |
| Stabilization of incompatible materials by macromolecules App 20030036590 - Liang, Zhi-zhong | 2003-02-20 |
| Elastomer-modified bituminous compositions App 20030032703 - Liang, Zhi-Zhong | 2003-02-13 |
| Elastomer-modified bituminous compositions Grant 6,429,241 - Liang August 6, 2 | 2002-08-06 |
| Stabilized bitumen compositions Grant 6,100,317 - Liang , et al. August 8, 2 | 2000-08-08 |
| Bituminous compositions prepared with process treated vulcanized rubbers Grant 5,959,007 - Liang September 28, 1 | 1999-09-28 |
| Treatment of rubber to form bituminous compositions Grant 5,719,215 - Liang , et al. February 17, 1 | 1998-02-17 |
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